BlinkerThe midlet either paints a black or a white screen. Switching happens when any key is pressed. Usefull? I don't know... maybe? (perhaps when stopping a buss in the dark!? or some sort of signalling)

IQ Pantalla AgrietadaIQ Cracked Screen is a java software application that displays a realistic cracked screen image on your phone's display. Use it on your phone or scare your friend by installing it on its phone

Color TorchTurn your phone into a color torch.
Small application size but it has various functions

IQ Light (Java)IQ Light helps you keep the backlight of your mobile phone on, as much as you like

screenlock keysThis app educates the user on how to use mobile screen locks in your phone

PixelRepairerThis app may be used to search for and repair of defective portable device's LCD display pixels. User may display test screens which makes search of malfunctioning pixels easy. You may repair stuck pixels also, if you find any